Home / 1,207,848.30-1,811,772.45-809,717.10

Finding the Fourth Proportional to 1,207,848.30, 1,811,772.45 and 809,717.10

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Solution

The fourth proportional to 1,207,848.30, 1,811,772.45 and 809,717.10 is: 1,214,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,848.30 : 1,811,772.45 = 809,717.10 : x
  2. Step 2: Convert to fraction form
    1,207,848.30/1,811,772.45 = 809,717.10/x
  3. Step 3: Cross multiply
    1,207,848.30x = 1,811,772.45 × 809,717.10
  4. Step 4: Simplify right side
    1,207,848.30x = 1,467,023,134,073.90
  5. Step 5: Solve for x
    x = 1,467,023,134,073.90/1,207,848.30
  6. Step 6: Final answer
    x = 1,214,575.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.